Pray God alone: God Most Gracious: the All-Hearing of the prayer, the All-Seeing of the praying one, the All-Knowing about everything, the All-Able to answer the prayer's prayer when he prays God alone without associate.
Quran 40: 60, which means:
(
And your Lord says: “Pray to Me; I will answer your prayer")
More information is in the link:
http://quran-ayat.com/pret/40.htm#a40_60
quran-ayat.com/pret/40.htm#a40_60
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Usually man raises his face up to the sky when he prays God .. that is because God is in heaven; God is the Most High on His throne of glory.
Although man can pray however he likes.
And when he is in a difficult situation, he starts to pray and supplicate God while he sleeps on his side in bed, and he prays while sitting and while standing: he prays in all ways. But once he is saved from his difficulty, he will forget about his past difficulties, and will deny his Lord or will associate others with God his Creator.
Quran 10: 12, which means:
(
When the affliction visits man, he calls on Us:
[when he is ill, lying in bed] on his side [to cure him of his illness],
or sedentary [and cannot stand; he calls on Us to cure his legs],
or standing [: he calls on Us to remove his affliction.]
But when We have removed his affliction from him, he goes on [with his disbelief and hypocrisy], as if he never called on Us to [remove] an affliction that visited him.
Thus have [devils] made the deeds of 'those having a lot of sins' seemly to them.)
More information is in the link:
http://quran-ayat.com/pret/10.htm#a10_12
quran-ayat.com/pret/10.htm#a10_12